Plug



FIG. 1 is a top perspective view of a plug showing our new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is an enlarged cross-sectional view taken along the line of IX—IX of FIG. 3; and,

FIG. 10 is an enlarged cross-section view taken along the line of X—X of FIG. 3. 

The ornamental design for a plug, as shown and described. 